Turning the Page: The Future of eBooks
5
ePUB files allow readers to control
•
the size of the text on their screen.
However, eBooks published as ePUB
files do not have static page numbers.
Researchers and students may not be
able to provide accurate page numbers
for citations. PDFs allow publishers
to create more intricately designed
books, with fixed page numbers and
illustrations, but these books may be
difficult to read on some eReaders and
other devices, especially those with
small screens. Readers may not want
to scroll left and right to read each line
of text.
Amazon uses a proprietary format, AZW,
which is an extensible markup framework
like ePUB but offers a level of copyright
protection and digital rights management.
AZW is based on software made by
Mobipocket, a subsidiary of Amazon. A
version of Mobipocket is available for free.
It is similar to ePUB: it allows flexible page
breaks and is suitable for small electronic
devices.
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